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Noninvasive prenatal RHD genotyping by real-time polymerase chain reaction using plasma from D-negative pregnant women

Prenatal noninvasive determination of fetal Rh status is an important aid to the management of hemolytic disease of the fetus and newborn. We performed real-time polymerase chain reaction on fetal DNA derived from maternal plasma to determine fetal Rh status. Cell-free plasma DNA from 98 D-negative...

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Published in:American journal of obstetrics and gynecology 2005-12, Vol.193 (6), p.1966-1971
Main Authors: Zhou, Lan, Thorson, John A., Nugent, Clark, Davenport, Robertson D., Butch, Suzanne H., Judd, W. John
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cited_by cdi_FETCH-LOGICAL-c384t-9233534bd6d0ec2eb7b18a5e34955c132efd3412f65dd5f67d9576cf4a66b8a83
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container_end_page 1971
container_issue 6
container_start_page 1966
container_title American journal of obstetrics and gynecology
container_volume 193
creator Zhou, Lan
Thorson, John A.
Nugent, Clark
Davenport, Robertson D.
Butch, Suzanne H.
Judd, W. John
description Prenatal noninvasive determination of fetal Rh status is an important aid to the management of hemolytic disease of the fetus and newborn. We performed real-time polymerase chain reaction on fetal DNA derived from maternal plasma to determine fetal Rh status. Cell-free plasma DNA from 98 D-negative pregnant women was tested for the presence of exons 4, 5, and 10 of RHD. The presence of fetal DNA was confirmed by detection of SRY or biallelic insertion/deletion polymorphisms in the maternal plasma and buffy coat. Seventy-two D-positive infants and 26 D-negative infants were determined by serologic studies. All 3 RHD exon sequences were detected in 68 of 72 mothers of D-positive infants. The presence of fetal DNA in mothers of D-negative infants was confirmed in all 10 boys and in 14 of 16 girls. Fetal RHD genotyping in this study correctly predicted fetal Rh status in 92 of 98 (94%) cases.
doi_str_mv 10.1016/j.ajog.2005.04.052
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source Elsevier
subjects Algorithms
Biological and medical sciences
Cell-Free System
Female
Fetal Blood
Fetal DNA in maternal plasma
Genotype
Gynecology. Andrology. Obstetrics
Humans
Infant, Newborn
Male
Maternal-Fetal Exchange
Medical sciences
Polymerase Chain Reaction - methods
Pregnancy
Prenatal RHD genotyping
Real-time polymerase chain reaction
Rh-Hr Blood-Group System - blood
Sex-Determining Region Y Protein - blood
title Noninvasive prenatal RHD genotyping by real-time polymerase chain reaction using plasma from D-negative pregnant women
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